<template>
  <div class="home">
      我是谁
      <div class="box">ss
          <div class="span">222</div>
      </div>
  </div>
</template>

<script>
export default {
name:"Home"
}
</script>

<style lang="less">
.box{
    background: pink;
    .span{
        background: red;
    }
}

</style>